<template>
  <div class="">
    <div id="myCharts" ref="myCharts" :style="{ height: '600px' }"></div>
  </div>
</template>

<script>
export default {
  components: {},
  data() {
    return {
      
    };
  },
  methods: {},
  mounted() {
    const myCharts = this.$echarts.init(this.$refs.myCharts);
    let options = {
      title: {
        text: "某站点用户访问来源",
        subtext: "纯属虚构",
        left: "center",
      },
      tooltip: {
        trigger: "item",
        formatter: "{a} <br/>{b} : {c} ({d}%)",
      },
      legend: {
        orient: "vertical",
        left: "left",
        data: ["直接访问", "邮件营销", "联盟广告", "视频广告", "搜索引擎"],
      },
      series: [
        {
          name: "访问来源",
          type: "pie",
          radius: "55%",
          center: ["50%", "60%"],
          data: [
            { value: 335, name: "直接访问" },
            { value: 310, name: "邮件营销" },
            { value: 234, name: "联盟广告" },
            { value: 135, name: "视频广告" },
            { value: 1548, name: "搜索引擎" },
          ],
          emphasis: {
            itemStyle: {
              shadowBlur: 10,
              shadowOffsetX: 0,
              shadowColor: "rgba(0, 0, 0, 0.5)",
            },
          },
        },
      ],
    };
    myCharts.setOption(options);
    myCharts.on('click', function (params) {
    // 控制台打印数据的名称
    console.log(params);
});
  },
  activated() {}, //如果页面有keep-alive缓存功能，这个函数会触发
};
</script>
